Luxembourg's joining the German Customs Union (Zollverein)…
1852 CE to 1863 CE
While Prussian troops still man the fortress, in 1861, the Passerelle is opened, the first road bridge spanning the Pétrusse river valley, connecting the Ville Haute and the main fortification on the Bock with Luxembourg railway station, opened in 1859, on the fortified Bourbon plateau to the south.